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C. Air Monitoring, Personnel Monitoring, Environmental sampling <br /> Techniques and Instrumentation <br /> The following monitoring will be performed at this site. <br /> • A combustible gas indicator (CGI) will be used to <br /> monitor the atmosphere at the site for flammable <br /> vapors. <br /> • A Photoionization ?Detector (PID) or equivalent will be <br /> used to determine the appropriate level of protection. <br /> • A Photoionization Detector (PID) or equivalent will be <br /> used to screen soils for contamination as they are <br /> removed from the excavation. <br /> Monitoring with the CGI, for flammable vapors, and the PID, to <br /> determine levels of protection, will be performed continually and <br /> documented in writing. Monitoring with the PID to screen for soil <br /> contamination will be performed as needed. When the PID is being <br /> used to screen soils, breathing zone measurements will be <br /> alternated with soil screening measurements. Breathing zone <br /> measurements from the person screening the soils will be used to <br /> guide levels of protection for all workers within the exclusion <br /> zone. <br /> All environmental monitoring and sampling at the sire will be <br /> performed in accordance with Federal, State, and Local Regulations <br /> and accepted standards. ' Monitoring instruments will be calibrated <br /> and maintained in accordance with the manufacturer's instructions. <br /> Calibration will be documented in writing. <br /> SPILL CONTAINMENT PROGRAM <br /> If there is no health threat from containing a spill, the following <br /> spill control measures will be implemented immediately: <br /> a. Take measures to stop the release. <br /> b. Construct a containment barrier using <br /> excavated soil to prevent the contaminant from <br /> spreading. <br /> C. Remove as much of the liquid portion of the <br /> substance as, possible using a pump truck <br /> and/or adsorbent material. <br /> d. Place contaminated containment soil into an <br /> appropriate container for disposal. <br /> e. Place all contaminated materials which cannot <br /> 5 <br />